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A

Grayslake Central High School

PublicHighGrades 9–12

400 N Lake St, Grayslake, IL 60030 · (847) 986-3300 · Part of Grayslake Community High School District 127

Avon Township’s School Grade B− better than 51% of Illinois school districts

Directions
Students
1,375
Students per teacher
13:1
Setting
Suburb
Grades
9–12
The gist

What stands out about Grayslake Central High School

  • Its own letter, A: reading and math results near the top of Illinois’s public schools
  • Math proficiency 17 pts above the state
  • Reading / language arts 15 pts above the state

On the path

Where Avon Township kids come from and go next. The whole path →

6–84 middle schoolsDepends on your address
9–12Grayslake Central High SchoolYou are here

Test scores

2020–21
Math proficiency43%
State average 25.9%
Reading / language arts46%
State average 30.7%

Its own letter, A, places these results among Illinois’s 3,406 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

400 N Lake St, Grayslake

Students

Enrollment by grade
Grade 9324
Grade 10325
Grade 11354
Grade 12372
Enrollment over time
1,379’20
1,378’21
1,419’22
1,375’23
1,375’24

About steady since 2020–21.

Who goes here
White 58%Hispanic 22%Asian 8%Black 7%Two or more races 5%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Grayslake Central High School from Avon Township families.

Other schools in Grayslake Community High School District 127

The district →
Grayslake North High School
High · Grades 9–12 · Grayslake
A−
1,208 students13:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Illinois’s other public schools; Avon Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.